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Abstract
A two-dimensional (depth-averaged) finite volume Godunov-type shallow water model developed for flow over complex topography is presented. The model is based on an unstructured cellcentered finite volume formulation and a nonlinear strong stability preserving Runge-Kutta time stepping scheme. The numerical discretization is founded on the classical and well established shallow water equations in hyperbolic conservative form, but the convective fluxes are calculated using auto-switching Riemann and diffusive numerical fluxes. The model’s implementation within a graphical user interface is discussed. Field application of the model is illustrated by utilizing it to estimate peak flow discharges in a flooding event of historic significance in Colorado, U.S.A., in 2013.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | SToRM: A Model for Unsteady Surface Hydraulics Over Complex Terrain |
| Year Published | 2014 |
| Language | English |
| Description | 8 p. |
| Larger Work Type | Conference Paper |
| Larger Work Title | Proceedings of the 11th International Conference on Hydroscience & Engineering |
| Conference Title | ICHE 2014 |
| Conference Location | Hamburg, Germany |
| Conference Date | Sep. 29–Oct. 2, 2014 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |